JP3916848B2 - Softener composition - Google Patents

Softener composition Download PDF

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Publication number
JP3916848B2
JP3916848B2 JP2000161923A JP2000161923A JP3916848B2 JP 3916848 B2 JP3916848 B2 JP 3916848B2 JP 2000161923 A JP2000161923 A JP 2000161923A JP 2000161923 A JP2000161923 A JP 2000161923A JP 3916848 B2 JP3916848 B2 JP 3916848B2
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Prior art keywords
iii
carbon atoms
general formula
acid
following general
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JP2001336065A (en
Inventor
和隆 白土
宏光 林
秀次 田方
信之 小倉
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Kao Corp
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Kao Corp
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Description

【0001】
【発明の属する技術分野】
本発明は繊維製品用柔軟剤組成物に関する。
【0002】
【従来の技術及び発明が解決しようとする課題】
従来、柔軟剤には長鎖アルキル基を有する4級アンモニウム塩や3級アミンの酸塩などが用いられている。また、繊維製品の衛生や消臭の観点から抗菌剤を柔軟剤組成物に配合する試みがなされている。特開平10−512015号公報には柔軟剤として水不溶性の4級アンモニウム塩及び抗菌剤として水溶性4級アンモニウム塩を配合した柔軟剤組成物が開示されている。
【0003】
柔軟剤組成物は弱アルカリ洗剤で洗濯後、すすぎの段階で用いられるが、近年1回の洗濯衣料の量が増加する傾向にあるため、すすぎが不十分になる場合があり、柔軟効果が低下する。また、上記のような抗菌剤を配合しても十分な抗菌効果を得ることができず、特に湿度が高い室内で乾燥させた時の菌に由来する悪臭を抑制する効果が低くなるという問題があった。
【0004】
従って本発明の課題は、すすぎが不十分な状態で使用しても、高い柔軟効果と抗菌効果を発揮する柔軟剤組成物を提供することにある。
【0005】
【課題を解決するための手段】
即ち本発明は、
(a)(a−i)下記一般式(i)で示される化合物、(a−ii)下記一般式(ii)で示される化合物及び(a−iii)下記一般式(iii)で示される成分の混合物であって、重量比が
(a−i)/[(a−i)+(a−ii)+(a−iii)]が0.15〜0.7、
(a−ii)/[(a−i)+(a−ii)+(a−iii)]が0.2〜0.5、且つ
(a−iii)/[(a−i)+(a−ii)+(a−iii)]が0.03〜0.4である柔軟基剤、
【0006】
【化3】

Figure 0003916848
【0007】
[式中、R1は炭素数13〜21、好ましくは14〜20のアルキル基又はアルケニル基を示し、R2、R3、R4は炭素数1〜3のアルキレン基である。また、R5は炭素数1〜3のアルキル基を示す。T-は陰イオン基、好ましくはハロゲンイオンである。]
並びに
(b)抗菌性化合物
を含有する柔軟剤組成物である。
【0008】
【発明の実施の形態】
本発明の(a)成分は、前記(a−i)〜(a−iii)の化合物の混合物からなる柔軟基剤であって、その好ましい比率は重量比で
(a−i)/[(a−i)+(a−ii)+(a−iii)]が0.15〜0.65、より好ましくは0.25〜0.65
(a−ii)/[(a−i)+(a−ii)+(a−iii)]が0.3〜0.4、
(a−iii)/[(a−i)+(a−ii)+(a−iii)]が0.03〜0.35、特に好ましくは0.04〜0.3である。
【0009】
また、柔軟効果の点から(a−i)/(a−ii)が重量比で、好ましくは3/1〜1/3、より好ましくは2/1〜1/2である。
【0010】
通常、(a−i)〜(a−iii)の化合物は、トリエタノールアミンとR1COOH(R1は前記の通り)との脱水エステル化反応を行い、続いて4級化反応を行い製造される。このときの(a−i)〜(a−iii)の組成はトリエタノールアミンとR1COOHの比率により一義的に決まる。通常の柔軟剤はトリエタノールアミン/R1COOHを2/1以上として製造されるのが一般的である。
【0011】
本発明では、すすぎの不十分な状態での効果を得るために、トリエタノールアミン/R1COOH=0.7〜1.9(モル比)、好ましくは0.7〜1.85、特に好ましくは0.7〜1.6で脱水エステル化反応を行い、続いてメチルクロライドやジメチル硫酸あるいはジエチル硫酸などにより4級化する方法で製造することが好ましい。また、モノメチルジエタノールアミンとR1COOHとの脱水エステル化物を酸で中和した酸塩をエチレンオキシドで4級化させた(a−i)、(a−ii)の混合物と、トリエタノールアミンと脂肪酸との脱水エステル化で全ての−OHをエステル化した(a−iii)の化合物とを混合して製造するのも好ましい方法である。
【0012】
本発明ではR1COOHは、ステアリン酸、パルミチン酸、オレイン酸又はエライジン酸あるいはこれらの混合物から選ばれる脂肪酸であるか、もしくは硬化、半硬化あるいは未硬化の牛脂、パーム油、豚脂、大豆油又はオリーブ油由来の組成を持つ脂肪酸が好ましく、特に半硬化あるいは未硬化の牛脂あるいはパーム油由来の脂肪酸であることが組成物の液性の点で好ましい。また、R1COOHの酸価は180〜240(mgKOH/g)、好ましくは190〜120(mgKOH/g)であり、よう素価は60〜100(Ig/100g)、好ましくは70〜90(Ig/100g)であることが組成物の液性の点で好ましい。なお、酸価及びよう素価は「岩波理化学辞典」 第4版 岩波書店に記載された方法により測定される値である。
【0013】
本発明の柔軟剤組成物では、前記(a−i)〜(a−iii)の合計量が3〜50重量%、好ましくは5〜40重量%であり、5〜30重量%であることが貯蔵安定性の点からより好ましい。
【0014】
本発明では(b)成分として抗菌性化合物を使用する。ここで、本発明の抗菌性化合物は、木綿金巾#2003に該化合物1重量%を均一に付着させた布を用い、JIS L 1902「繊維製品の抗菌性試験法」
に準じた方法で抗菌性試験を行い阻止帯が見られる化合物である。
【0015】
このような化合物として好ましいものは、トリクロサン、ビス−(2−ピリジルチオ−1−オキシド)亜鉛、2,4,5,6−テトラクロロイソフタロニトリル、トリクロロカルバニリド、2−(4−チオシアノメチルチオ)ベンズイミダゾール、ペリヘキサメチレンビグアニジン塩酸塩、グルクロン酸クロルヘキシジン、8−オキシキノリン、ポリリジンから選ばれる1種以上であり、特にトリクロサンが臭いの抑制効果の点で好ましい。また、本発明では(b)成分として下記一般式(iv)又は(v)で示される4級アンモニウム化合物を使用することも好ましい。
【0016】
【化4】
Figure 0003916848
【0017】
ここで、R6及びR11として好ましいのは炭素数7〜17、より好ましくは炭素数8〜16のアルキル基又はアルケニル基、特にアルキル基である。R12としてはエチレン基が好ましい。nとしては1〜5の数が好ましい。Zの陰イオン基として好ましいものは、ハロゲンイオン、硫酸イオン、炭素数1〜3のアルキル硫酸イオンである。
【0018】
本発明で用いるのに最も好ましい4級アンモニウム化合物としては下記のものが挙げられる。
【0019】
【化5】
Figure 0003916848
【0020】
本発明では、柔軟剤組成物の貯蔵安定性の点から一般式(1)から求められるδが20〜40、好ましくは21〜31、より好ましくは21〜27であり、且つ沸点が100〜350℃、好ましくは150〜350℃であり、200〜350℃の化合物を更に配合することがより望ましい。
【0021】
δ=[(14820+99.2Tb+0.084Tb2)/V]1/2 (1)
(式中;Tbは沸点(°K)、Vは20℃におけるモル容積(cm3/mol)である)
ここで本発明のδは溶解度パラメータに近似するものであり「溶液と溶解度」(篠田耕三著、平成3年4月30日、丸善(株)発行)の78頁〜82頁に記載されているものである。
【0022】
上記δ値を満足する化合物としてはアルキルグリセリルエーテル、ジ又はトリアルキレングルコールモノアリールエーテル、ジ又はトリアルキレングリコール、ジ又はトリアルキレングリコールモノアルキルエーテル、ジ又はトリアルキレングリコールジアルキルエーテル、1,6−ヘキサンジオール、2,5−ヘキサンジオール、シクロヘキサノール、2−ヘキサノール、1−オクタノール、ジプロピレングリコール等を挙げることができる。
【0023】
これらの中でも分子量が100〜400、好ましくは130〜300、特には150〜300のものが好ましく、特に炭素数3〜8のアルキルグリセリルエーテル、ジ又はトリエチレングルコールの炭素数2〜8のモノ又はジアルキルエーテルあるいはジ又はトリエチレングリコールモノフェニルエーテルが好ましい。
【0024】
本発明では更に炭素数8〜22の飽和又は不飽和脂肪酸と多価アルコールとのエステル化合物を配合することが貯蔵安定性の点から好ましく、特にトリグリセライド、ジグリセライド、モノグリセライド等のグリセリンエステル類や、ペンタエリスリトールのモノ、ジ、トリエステルあるいはソルビタンのエステル化物を組成物中に0.1〜10重量%、好ましくは0.5〜5重量%含有することが好ましい。
【0025】
本発明では貯蔵安定性の点から非イオン界面活性剤又はアニオン界面活性剤を配合することが好ましい。非イオン界面活性剤としては炭素数8〜20のアルキル基またはアルケニル基を1つ以上有するポリオキシエチレンアルキルエーテルが好ましく、特に一般式(vi)の非イオン界面活性剤が良好である。
【0026】
18−B−[(R19O)p−H]q (vi)
[式中、R18は炭素数9〜17、好ましくは11〜17のアルキル基又はアルケニル基であり、R19は炭素数2又は3のアルキレン基であり、好ましくはエチレン基である。また、pは2〜100、好ましくは5〜60、特に好ましくは20〜60の数を示す。さらにBは−O−、−N−、−CON−、−CONH−であり、Bが−O−の場合はqは1であり、Bが−N−又は−CON−の場合はqは2の数である。]
一般式(vi)で示される化合物のより具体的例としては以下の化合物を挙げることができる。
【0027】
18−O−(C24O)r−H
[式中、R18は前記の意味を示す。rは8〜60、好ましくは20〜40の数である。]
18−O−(C24O)s(C36O)t−H
[式中、R18は前記の意味を示す。s及びtはそれぞれ独立に2〜40、好ましくは5〜40の数であり、エチレンオキシドとプロピレンオキシドはランダムあるいはブロック付加体であってもよい。]
【0028】
【化6】
Figure 0003916848
【0029】
[式中、R18は前記の意味を示す。u及びvの合計は5〜60好ましくは5〜40の数である。]
上記非イオン界面活性剤の配合量は安定性の点から組成物中、0.5〜10重量%、好ましくは1〜8重量%である。
【0030】
本発明では繊維製品の風合いを向上させる目的でアニオン界面活性剤として、脂肪酸又はその塩類を配合することが好ましく、具体的にはカプリル酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、あるいはこれらの混合物であり、特にラウリン酸、ステアリン酸、オレイン酸から選ばれる1種以上が良好である。また、ヤシ油、パーム油、パーム核油、牛脂から誘導されるアルキル組成を有する脂肪酸も好ましい。上記脂肪酸又はその塩の配合量は組成物中、0.01〜5重量%、好ましくは0.5〜3重量%である。
【0031】
本発明では貯蔵安定性の点から、無機塩、例えば塩化カルシウムなどを組成物中、0〜1000ppm、好ましくは10〜500ppm添加することが望ましい。但し、脂肪酸塩類などの界面活性剤にはナトリウム塩やカリウム塩が含まれているが、このような界面活性剤の使用によって組成物に混入する無機塩は上記制限を受けるものではない。
【0032】
本発明の柔軟剤組成物には、通常配合される香料あるいは色素等の成分を配合しても差し支えない。
【0033】
【実施例】
合成例1 柔軟剤Aの合成
トリエタノールアミン50g(MW149.19、0.34モル)、パーム油由来脂肪酸199.3g(酸価205、よう素価85)を混合し、1L4つ口フラスコに仕込み、攪拌混合した。200℃まで約2時間かけて昇温し、生成する水を除去しながら200℃で約5時間かけて反応を行った。次に得られたエステル化合物全量を2Lオートクレーブに入れエタノール500g仕込み、窒素置換後、密閉して90℃まで加熱した。その後メチルクロリド26gを約30分かけて圧入し、2時間熟成した後、冷却した。得られた反応生成物のエタノールを減圧留去したのち、水を50g入れて、柔軟基剤Aを得た。有効分80%であり、
(a−i)/[(a−i)+(a−ii)+(a−iii)]=0.63、
(a−ii)/[(a−i)+(a−ii)+(a−iii)] =0.32、
(a−iii)/[(a−i)+(a−ii)+(a−iii)]=0.05であった。
合成例2 柔軟剤Bの合成
トリエタノールアミン50g(MW149.19、0.34モル)、パーム油由来脂肪酸141.4g(酸価205、よう素価85)を混合し、1L4つ口フラスコに仕込み、攪拌混合した。200℃まで約2時間かけて昇温し、生成する水を除去しながら200℃で約5時間かけて反応を行った。次に得られたエステル化合物全量を2Lオートクレーブに入れエタノール500g仕込み、窒素置換後、密閉して90℃まで加熱した。その後メチルクロリド26gを約30分かけて圧入し、2時間熟成した後、冷却した。得られた反応生成物のエタノールを減圧留去したのち、水を50g入れて、柔軟基剤Bを得た。有効分76%であり、
(a−i)/[(a−i)+(a−ii)+(a−iii)]=0.29、
(a−ii)/[(a−i)+(a−ii)+(a−iii)] =0.48、
(a−iii)/[(a−i)+(a−ii)+(a−iii)]=0.23であった。
比較合成例1 柔軟基剤Cの合成
トリエタノールアミン50g(MW149.19、0.34モル)、パーム油由来脂肪酸183.5g(酸価205、よう素価85)を混合し、1L4つ口フラスコに仕込み、攪拌混合した。200℃まで約2時間かけて昇温し、生成する水を除去しながら200℃で約5時間かけて反応を行った。次に得られた反応物を2Lオートクレーブに入れエタノール500g仕込み、窒素置換後密閉して90℃まで加熱した。その後メチルクロリド20gを約30分かけて圧入し、2時間熟成した後、冷却した。得られた反応生成物のエタノールを減圧留去したのち、水を50g入れて、柔軟基剤Cを得た。有効分76%であり、
(a−i)/[(a−i)+(a−ii)+(a−iii)]=0.14、
(a−ii)/[(a−i)+(a−ii)+(a−iii)] =0.45、
(a−iii)/[(a−i)+(a−ii)+(a−iii)]=0.41であった。
実施例1〜5、比較例1〜2
(柔軟剤組成物)
上記柔軟基剤A〜C及び下記の化合物を用いて表1の柔軟剤組成物を調製した。
(b−1) トリクロサン(チバガイギー社製)
【0034】
【化7】
Figure 0003916848
【0035】
(c−1) C817OCH2CH(OH)CH2OH
(δ=21.96、bp.320℃)
(c−2) C511OCH2CH(OH)CH2OH
(δ=23.27、bp.240℃)
(c−3) トリエチレングリコールモノフェニルエーテル
(δ=20.92、bp.299℃)
(d−1) ステアリン酸モノ,ジ、トリグリセリド混合物(モノ:ジ:トリ=60:35:5)
(e−1) 炭素数12の飽和アルコールにエチレンオキサイドを平均21モル付加させたもの
(e−2) ラウリルアミンにエチレンオキシドを平均20モル付加させたもの(e−3) ルナックS−50(ステアリン酸、花王(株)製)
(f−1) 塩化カルシウム
(g−1) 染料(アシッドブルー)
(g−2) 香料
[柔軟剤組成物及び処理方法]
上記化合物を用いて表1に示す繊維処理用柔軟剤組成物を調製した。1.5kgのバスタオル(木綿100%)2枚を市販の弱アルカリ性洗剤(花王製アタック)を用いて洗濯機で洗浄した(東芝製2槽式洗濯機VH−360S1、洗剤濃度0.0667重量%、水道水30L使用、水温20℃、10分間)。その後、洗浄液を排出し、1分間脱水後、30Lの水道水を注水し、表1の組成物7mlを添加し5分間撹拌した。その後、脱水し、湿度70%、25℃の恒温室で12時間乾燥した。尚、柔軟剤を添加した洗濯機内の水のpHは8.5、弱アルカリ性洗剤に配合されているアルキルベンゼンスルホン酸ナトリウムの含有量は30ppmであり、すすぎの悪い状態である。
[防臭効果の評価]
恒温室で乾燥させたバスタオルの臭いを10人のパネラー(30代男性10人)により下記の基準で判定し、平均点を求めた。平均点が1未満を○、1以上1.5未満を△、1.5以上を×として表1に示した。
【0036】
ほとんど臭いを感じない……0
かすかに臭いを感じるが気にならない程度である……1
臭いがする……2
顕著に臭いがする……3
[柔軟効果の評価]
上記処理を行ったバスタオルの風合いを10人のパネラー(30代男性5人、20代女性5人)により下記の基準で判定し、平均点を求めた。平均点が1未満を○、1以上1.5未満を△、1.5以上を×として表1に示した。
【0037】
標準に比べてふっくら柔らかい仕上がりである……0
標準に比べてややふっくら柔らかである……1
標準とほぼ同等の仕上がりである……2
標準よりかたくごわつきがある……3
尚、標準とは、洗浄後のすすぎの段階で表1の柔軟剤を使用せず、脱水乾燥させたものである。
【0038】
【表1】
Figure 0003916848
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fabric softener composition.
[0002]
[Prior art and problems to be solved by the invention]
Conventionally, a quaternary ammonium salt having a long-chain alkyl group or a tertiary amine acid salt has been used as a softening agent. In addition, attempts have been made to blend an antibacterial agent into a softener composition from the viewpoint of hygiene and deodorization of textile products. Japanese Patent Application Laid-Open No. 10-512015 discloses a softener composition containing a water-insoluble quaternary ammonium salt as a softener and a water-soluble quaternary ammonium salt as an antibacterial agent.
[0003]
The softener composition is used at the stage of rinsing after washing with a weak alkaline detergent. However, since there is a tendency for the amount of laundry clothes to increase once in recent years, the rinsing may be insufficient and the softening effect is reduced. To do. Moreover, even if it mix | blends the above antibacterial agents, sufficient antibacterial effect cannot be acquired, but the problem that the effect which suppresses the malodor derived from a microbe when dried indoors where humidity is especially high becomes low. there were.
[0004]
Therefore, the subject of this invention is providing the softening agent composition which exhibits a high softening effect and an antimicrobial effect, even if it uses it in the state in which a rinse is inadequate.
[0005]
[Means for Solving the Problems]
That is, the present invention
(A) (ai) a compound represented by the following general formula (i), (a-ii) a compound represented by the following general formula (ii), and (a-iii) a component represented by the following general formula (iii) The weight ratio of (ai) / [(ai) + (ai-2) + (ai-3)] is 0.15 to 0.7,
(A−ii) / [(a−i) + (a−ii) + (a−iii)] is 0.2 to 0.5, and (a−iii) / [(a−i) + (a -Ii) + (a-iii)] is a soft base of 0.03-0.4,
[0006]
[Chemical 3]
Figure 0003916848
[0007]
[Wherein, R 1 represents an alkyl group or alkenyl group having 13 to 21 carbon atoms, preferably 14 to 20 carbon atoms, and R 2 , R 3 and R 4 are alkylene groups having 1 to 3 carbon atoms. R 5 represents an alkyl group having 1 to 3 carbon atoms. T - is an anionic group, preferably a halogen ion. ]
And (b) a softener composition containing an antibacterial compound.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The component (a) of the present invention is a soft base composed of a mixture of the compounds (ai) to (a-iii), and the preferred ratio is (ai) / [(a -I) + (a-ii) + (a-iii)] is 0.15 to 0.65, more preferably 0.25 to 0.65.
(A-ii) / [(ai) + (a-ii) + (a-iii)] is 0.3 to 0.4,
(A-iii) / [(ai) + (a-ii) + (a-iii)] is 0.03 to 0.35, particularly preferably 0.04 to 0.3.
[0009]
Moreover, (ai) / (a-ii) is a weight ratio from the point of a softening effect, Preferably it is 3/1-1/3, More preferably, it is 2/1-1/2.
[0010]
Usually, the compounds (ai) to (a-iii) are produced by performing a dehydration esterification reaction between triethanolamine and R 1 COOH (R 1 is as described above), followed by a quaternization reaction. Is done. The compositions of (ai) to (a-iii) at this time are uniquely determined by the ratio of triethanolamine and R 1 COOH. The usual softener is generally produced with triethanolamine / R 1 COOH of 2/1 or more.
[0011]
In the present invention, in order to obtain the effect in the state of insufficient rinsing, triethanolamine / R 1 COOH = 0.7 to 1.9 (molar ratio), preferably 0.7 to 1.85, particularly preferably Is preferably produced by a dehydrating esterification reaction at 0.7 to 1.6 followed by quaternization with methyl chloride, dimethyl sulfate or diethyl sulfate. Further, an acid salt obtained by neutralizing a dehydrated esterified product of monomethyldiethanolamine and R 1 COOH with an acid is quaternized with ethylene oxide, a mixture of (ai) and (a-ii), triethanolamine and a fatty acid, It is also a preferable method to prepare by mixing with the compound (a-iii) in which all —OH is esterified by dehydration esterification.
[0012]
In the present invention, R 1 COOH is a fatty acid selected from stearic acid, palmitic acid, oleic acid, elaidic acid or a mixture thereof, or hardened, semi-cured or uncured beef tallow, palm oil, lard, soybean oil Or a fatty acid having a composition derived from olive oil is preferred, and a fatty acid derived from semi-cured or uncured beef tallow or palm oil is particularly preferred from the viewpoint of liquidity of the composition. The acid value of R 1 COOH is 180 to 240 (mgKOH / g), preferably 190 to 120 (mgKOH / g), and the iodine value is 60 to 100 (Ig / 100 g), preferably 70 to 90 ( Ig / 100 g) is preferable from the viewpoint of the liquid property of the composition. The acid value and iodine value are values measured by the method described in "Iwanami Physical and Chemical Dictionary" 4th edition Iwanami Shoten.
[0013]
In the softening agent composition of the present invention, the total amount of (ai) to (a-iii) is 3 to 50% by weight, preferably 5 to 40% by weight, and 5 to 30% by weight. More preferable from the viewpoint of storage stability.
[0014]
In the present invention, an antibacterial compound is used as the component (b). Here, the antibacterial compound of the present invention uses a cloth in which 1% by weight of the compound is uniformly adhered to a cotton gold cloth # 2003, and JIS L 1902 “Test method for antibacterial properties of textiles”
Is a compound in which an antibacterial test is carried out by a method according to, and a blocking zone is observed.
[0015]
Preferred as such compounds are triclosan, bis- (2-pyridylthio-1-oxide) zinc, 2,4,5,6-tetrachloroisophthalonitrile, trichlorocarbanilide, 2- (4-thiocyano). Methylthio) benzimidazole, perhexamethylene biguanidine hydrochloride, chlorhexidine glucuronate, 8-oxyquinoline, and polylysine, and triclosan is particularly preferred from the viewpoint of the odor suppressing effect. In the present invention, it is also preferable to use a quaternary ammonium compound represented by the following general formula (iv) or (v) as the component (b).
[0016]
[Formula 4]
Figure 0003916848
[0017]
Here, R 6 and R 11 are preferably alkyl groups or alkenyl groups having 7 to 17 carbon atoms, more preferably 8 to 16 carbon atoms, particularly alkyl groups. R 12 is preferably an ethylene group. n is preferably a number from 1 to 5. Preferred as the anionic group for Z are a halogen ion, a sulfate ion, and an alkyl sulfate ion having 1 to 3 carbon atoms.
[0018]
The most preferable quaternary ammonium compounds for use in the present invention include the following.
[0019]
[Chemical formula 5]
Figure 0003916848
[0020]
In this invention, (delta) calculated | required from General formula (1) from the point of the storage stability of a softening agent composition is 20-40, Preferably it is 21-31, More preferably, it is 21-27, and boiling point is 100-350. ° C, preferably 150 to 350 ° C, and it is more desirable to further blend a compound of 200 to 350 ° C.
[0021]
δ = [(14820 + 99.2Tb + 0.084Tb 2 ) / V] 1/2 (1)
(Wherein, Tb is boiling point (° K), V is molar volume at 20 ° C. (cm 3 / mol))
Here, δ of the present invention approximates the solubility parameter, and is described in pages 78 to 82 of “Solution and Solubility” (published by Kozo Shinoda, April 30, 1991, published by Maruzen Co., Ltd.). Is.
[0022]
Examples of the compound satisfying the δ value include alkyl glyceryl ether, di- or trialkylene glycol monoaryl ether, di- or trialkylene glycol, di- or trialkylene glycol monoalkyl ether, di- or trialkylene glycol dialkyl ether, 1,6- Examples include hexanediol, 2,5-hexanediol, cyclohexanol, 2-hexanol, 1-octanol, and dipropylene glycol.
[0023]
Among these, those having a molecular weight of 100 to 400, preferably 130 to 300, particularly 150 to 300 are preferable, and those having 3 to 8 carbon atoms, such as alkyl glyceryl ether, di- or triethylene glycol and having 2 to 8 carbon atoms. Or dialkyl ether or di- or triethylene glycol monophenyl ether is preferable.
[0024]
In the present invention, it is preferable to further blend an ester compound of a saturated or unsaturated fatty acid having 8 to 22 carbon atoms with a polyhydric alcohol from the viewpoint of storage stability, and in particular, glycerin esters such as triglyceride, diglyceride and monoglyceride, penta It is preferable to contain 0.1 to 10% by weight, preferably 0.5 to 5% by weight, of an esterified product of erythritol mono-, di-, triester or sorbitan.
[0025]
In the present invention, it is preferable to add a nonionic surfactant or an anionic surfactant from the viewpoint of storage stability. The nonionic surfactant is preferably a polyoxyethylene alkyl ether having at least one alkyl group or alkenyl group having 8 to 20 carbon atoms, and the nonionic surfactant of the general formula (vi) is particularly good.
[0026]
R 18 -B - [(R 19 O) p -H] q (vi)
[Wherein, R 18 is an alkyl group or alkenyl group having 9 to 17 carbon atoms, preferably 11 to 17 carbon atoms, and R 19 is an alkylene group having 2 or 3 carbon atoms, preferably an ethylene group. Moreover, p shows the number of 2-100, Preferably it is 5-60, Most preferably, it is 20-60. Further, B is -O-, -N-, -CON-, -CONH-, q is 1 when B is -O-, and q is 2 when B is -N- or -CON-. Is the number of ]
Specific examples of the compound represented by the general formula (vi) include the following compounds.
[0027]
R 18 —O— (C 2 H 4 O) r —H
[Wherein R 18 has the above-mentioned meaning. r is a number from 8 to 60, preferably from 20 to 40. ]
R 18 —O— (C 2 H 4 O) s (C 3 H 6 O) t —H
[Wherein R 18 has the above-mentioned meaning. s and t are each independently a number of 2 to 40, preferably 5 to 40, and ethylene oxide and propylene oxide may be random or block adducts. ]
[0028]
[Chemical 6]
Figure 0003916848
[0029]
[Wherein R 18 has the above-mentioned meaning. The sum of u and v is a number from 5 to 60, preferably from 5 to 40. ]
The blending amount of the nonionic surfactant is 0.5 to 10% by weight, preferably 1 to 8% by weight in the composition from the viewpoint of stability.
[0030]
In the present invention, it is preferable to add a fatty acid or a salt thereof as an anionic surfactant for the purpose of improving the texture of the textile product, specifically caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid. Oleic acid, or a mixture thereof, particularly one or more selected from lauric acid, stearic acid, and oleic acid are preferable. Also preferred are fatty acids having an alkyl composition derived from coconut oil, palm oil, palm kernel oil, and beef tallow. The compounding quantity of the said fatty acid or its salt is 0.01 to 5 weight% in a composition, Preferably it is 0.5 to 3 weight%.
[0031]
In the present invention, from the viewpoint of storage stability, it is desirable to add an inorganic salt such as calcium chloride to the composition in an amount of 0 to 1000 ppm, preferably 10 to 500 ppm. However, although surfactants such as fatty acid salts include sodium salts and potassium salts, inorganic salts mixed into the composition by using such surfactants are not subject to the above restrictions.
[0032]
In the softener composition of the present invention, components such as a perfume or a pigment that are usually blended may be blended.
[0033]
【Example】
Synthesis Example 1 Synthesis of Softener A 50 g (MW 149.19, 0.34 mol) of triethanolamine and 199.3 g of a palm oil-derived fatty acid (acid value 205, iodine value 85) were mixed and charged into a 1 L 4-neck flask. , Stirred and mixed. The temperature was raised to 200 ° C. over about 2 hours, and the reaction was carried out at 200 ° C. over about 5 hours while removing generated water. Next, the total amount of the obtained ester compound was placed in a 2 L autoclave, charged with 500 g of ethanol, purged with nitrogen, sealed and heated to 90 ° C. Thereafter, 26 g of methyl chloride was injected over about 30 minutes, aged for 2 hours, and then cooled. After the ethanol of the obtained reaction product was distilled off under reduced pressure, 50 g of water was added to obtain a flexible base A. The effective portion is 80%,
(Ai) / [(ai) + (a-ii) + (a-iii)] = 0.63,
(A-ii) / [(ai) + (a-ii) + (a-iii)] = 0.32.
It was (a-iii) / [(ai) + (a-ii) + (a-iii)] = 0.05.
Synthesis Example 2 Synthesis of Softener B 50 g of triethanolamine (MW 149.19, 0.34 mol) and 141.4 g of palm oil-derived fatty acid (acid value 205, iodine value 85) were mixed and charged into a 1 L 4-neck flask. , Stirred and mixed. The temperature was raised to 200 ° C. over about 2 hours, and the reaction was carried out at 200 ° C. over about 5 hours while removing generated water. Next, the total amount of the obtained ester compound was placed in a 2 L autoclave, charged with 500 g of ethanol, purged with nitrogen, sealed and heated to 90 ° C. Thereafter, 26 g of methyl chloride was injected over about 30 minutes, aged for 2 hours, and then cooled. After the ethanol of the obtained reaction product was distilled off under reduced pressure, 50 g of water was added to obtain a flexible base B. The effective portion is 76%,
(Ai) / [(ai) + (ai-2) + (a-iii)] = 0.29,
(A-ii) / [(ai) + (a-ii) + (a-iii)] = 0.48,
It was (a-iii) / [(ai) + (a-ii) + (a-iii)] = 0.23.
Comparative Synthesis Example 1 Synthesis of Soft Base C 50 g (MW 149.19, 0.34 mol) of triethanolamine and 183.5 g of palm oil-derived fatty acid (acid value 205, iodine value 85) were mixed, and a 1 L four-neck flask The mixture was stirred and mixed. The temperature was raised to 200 ° C. over about 2 hours, and the reaction was carried out at 200 ° C. over about 5 hours while removing generated water. Next, the obtained reaction product was placed in a 2 L autoclave, charged with 500 g of ethanol, purged with nitrogen, sealed and heated to 90 ° C. Thereafter, 20 g of methyl chloride was injected over about 30 minutes, aged for 2 hours, and then cooled. After the ethanol of the obtained reaction product was distilled off under reduced pressure, 50 g of water was added to obtain a flexible base C. The effective portion is 76%,
(Ai) / [(ai) + (a-ii) + (a-iii)] = 0.14,
(A-ii) / [(ai) + (a-ii) + (a-iii)] = 0.45,
It was (a-iii) / [(ai) + (a-ii) + (a-iii)] = 0.41.
Examples 1-5, Comparative Examples 1-2
(Softener composition)
The softening agent compositions in Table 1 were prepared using the softening bases A to C and the following compounds.
(B-1) Triclosan (Ciba Geigy)
[0034]
[Chemical 7]
Figure 0003916848
[0035]
(C-1) C 8 H 17 OCH 2 CH (OH) CH 2 OH
(Δ = 21.96, bp 320 ° C.)
(C-2) C 5 H 11 OCH 2 CH (OH) CH 2 OH
(Δ = 23.27, bp. 240 ° C)
(C-3) Triethylene glycol monophenyl ether (δ = 20.92, bp. 299 ° C.)
(D-1) Stearic acid mono, di, triglyceride mixture (mono: di: tri = 60: 35: 5)
(E-1) An average of 21 moles of ethylene oxide added to a saturated alcohol having 12 carbon atoms (e-2) An average of 20 moles of ethylene oxide added to laurylamine (e-3) LUNAC S-50 (stearin Acid, manufactured by Kao Corporation)
(F-1) Calcium chloride (g-1) Dye (Acid Blue)
(G-2) Fragrance [softener composition and treatment method]
Using the above-mentioned compounds, softening compositions for fiber treatment shown in Table 1 were prepared. Two 1.5 kg bath towels (100% cotton) were washed with a washing machine using a commercially available weak alkaline detergent (Kao Attack) (Toshiba 2-tank washing machine VH-360S1, detergent concentration 0.0667 weight) %, Using 30 L of tap water, water temperature 20 ° C., 10 minutes). Thereafter, the washing liquid was discharged, and after dehydrating for 1 minute, 30 L of tap water was poured, 7 ml of the composition shown in Table 1 was added, and the mixture was stirred for 5 minutes. Then, it dehydrated and dried for 12 hours in a constant temperature room with a humidity of 70% and 25 ° C. In addition, the pH of the water in the washing machine to which the softening agent is added is 8.5, and the content of sodium alkylbenzenesulfonate contained in the weak alkaline detergent is 30 ppm, which is in a poorly rinsed state.
[Evaluation of deodorizing effect]
The smell of bath towels dried in a temperature-controlled room was determined by 10 panelists (10 men in their 30s) according to the following criteria, and the average score was obtained. Table 1 shows that the average score is less than 1 as ◯, 1 or more and less than 1.5 as Δ, and 1.5 or more as ×.
[0036]
Almost no smell ... 0
I feel a slight smell but I don't mind ... 1
I smell ... 2
It smells remarkably ... 3
[Evaluation of flexibility effect]
The texture of the bath towel subjected to the above treatment was determined by 10 panelists (5 men in their 30s and 5 women in their 20s) according to the following criteria, and the average score was obtained. Table 1 shows that the average score is less than 1 as ◯, 1 or more and less than 1.5 as Δ, and 1.5 or more as ×.
[0037]
The finish is softer than the standard .... 0
Softer than standard ... 1
The finish is almost the same as the standard .... 2
Harder than standard ... 3
In addition, the standard is one that is dehydrated and dried without using the softening agent in Table 1 at the stage of rinsing after washing.
[0038]
[Table 1]
Figure 0003916848

Claims (2)

(a)(a−i)下記一般式(i)で示される化合物、(a−ii)下記一般式(ii)で示される化合物及び(a−iii)下記一般式(iii)で示される成分の混合物であって、重量比が
(a−i)/[(a−i)+(a−ii)+(a−iii)]が0.25〜0.65、
(a−ii)/[(a−i)+(a−ii)+(a−iii)]が0.2〜0.5、且つ
(a−iii)/[(a−i)+(a−ii)+(a−iii)]が0.03〜0.4である柔軟基剤、
Figure 0003916848
[式中、Rは炭素数13〜21のアルキル基又はアルケニル基を示し、R、R、Rは炭素数1〜3のアルキレン基である。また、Rは炭素数1〜3のアルキル基を示す。Tは陰イオン基である。]
並びに
(b)下記一般式( iv )又は(v)で示される化合物から選ばれる抗菌性化合物
を含有する柔軟剤組成物。
Figure 0003916848
(A) (ai) a compound represented by the following general formula (i), (a-ii) a compound represented by the following general formula (ii), and (a-iii) a component represented by the following general formula (iii) A weight ratio of (ai) / [(ai) + (ai-2) + (ai-3)] is 0.25 to 0.65,
(A-ii) / [(ai) + (a-ii) + (a-iii)] is 0.2 to 0.5, and (a-iii) / [(ai) + (a -Ii) + (a-iii)] is a soft base of 0.03-0.4,
Figure 0003916848
[Wherein, R 1 represents an alkyl group or alkenyl group having 13 to 21 carbon atoms, and R 2 , R 3 and R 4 are alkylene groups having 1 to 3 carbon atoms. R 5 represents an alkyl group having 1 to 3 carbon atoms. T is an anionic group. ]
And (b) a softener composition comprising an antibacterial compound selected from the compounds represented by the following general formula ( iv ) or (v) .
Figure 0003916848
下記一般式(1)から求められるδが20〜40で且つ沸点が100〜350℃の化合物をさらに含有する請求項1記載の柔軟剤組成物。
δ=[(14820+99.2Tb+0.084Tb2)/V]1/2 (1)
(式中、Tbは沸点(°K)、Vは20℃におけるモル容積(cm3/mol)である)
Following general formula (1) and a boiling point at δ 20 to 40 obtained from of 100 to 350 ° C. Compound further softener composition of claim 1 Symbol placement contains.
δ = [(14820 + 99.2Tb + 0.084Tb 2 ) / V] 1/2 (1)
(In the formula, Tb is the boiling point (° K), and V is the molar volume (cm 3 / mol) at 20 ° C.)
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